Solve each equation for principal values of x. Express solutions in degrees. cos x = 3 cos x – XXXXXXXXXXsin 2 x – 1 = 0 Solve each equation for 0°= x sec 2 x + tan x – 1 = 0 4. cos 2x + 3 cos x – 1 =...

Solve each equation for principal values of x. Express solutions in degrees.

1. 
   cos x
   = 3
   cos x
   – 2 2. 2 sin²x – 1 = 0

Solve each equation for 0°= x

1. sec²
   x + tan x – 1 = 0 4. cos 2x + 3 cos x – 1 = 0

Solve each equation for 0 = x

1. 4 sin²
   x – 4 sin x + 1 = 0 6. cos 2x + sin x = 1

Solve each equation for all real values of x.

1. 3 cos 2x – 5 cos x = 1 8. 2 sin²
   x – 5 sin x + 2 = 0

1. 3 sec²
   x – 4 = 0 10. tan x (tan x – 1) = 0

Solving Trigonometric Equations Solve each equation for principal values of x. Express solutions in degrees. 1. cos x = 3 cos x – 2 2. 2 sin2x – 1 = 0 Solve each equation for 0°≤ x < 360°.="" 3.="" sec2="" x="" +="" tan="" x="" –="" 1="0" 4.="" cos="" 2x="" +="" 3="" cos="" x="" –="" 1="0" solve="" each="" equation="" for="" 0="" ≤="" x="">< 2 5. 4 sin2 x – 4 sin x + 1 = 0 6. cos 2x + sin x = 1 solve each equation for all real values of x. 7. 3 cos 2x – 5 cos x = 1 8. 2 sin2 x – 5 sin x + 2 = 0 9. 3 sec2 x – 4 = 0 10. tan x (tan x – 1) = 0 2="" 5.="" 4="" sin2="" x="" –="" 4="" sin="" x="" +="" 1="0" 6.="" cos="" 2x="" +="" sin="" x="1" solve="" each="" equation="" for="" all="" real="" values="" of="" x.="" 7.="" 3="" cos="" 2x="" –="" 5="" cos="" x="1" 8.="" 2="" sin2="" x="" –="" 5="" sin="" x="" +="" 2="0" 9.="" 3="" sec2="" x="" –="" 4="0" 10.="" tan="" x="" (tan="" x="" –="" 1)="">